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Useful debug messages (commented out) are included for preservation in case I need to revisit this

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This commit is contained in:
Peter Boyle 2015-11-04 09:59:27 +00:00
parent 1271508ca2
commit 12c5ec813c
1 changed files with 12 additions and 1 deletions
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11
lib/cshift/Cshift_mpi.h
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@ -26,10 +26,13 @@ template<class vobj> Lattice<vobj> Cshift(const Lattice<vobj> &rhs,int dimension
if ( !comm_dim ) {
// std::cout << "Cshift_local" <<std::endl;
Cshift_local(ret,rhs,dimension,shift); // Handles checkerboarding
} else if ( splice_dim ) {
// std::cout << "Cshift_comms_simd" <<std::endl;
Cshift_comms_simd(ret,rhs,dimension,shift);
} else {
// std::cout << "Cshift_comms" <<std::endl;
Cshift_comms(ret,rhs,dimension,shift);
}
return ret;
@ -42,9 +45,13 @@ template<class vobj> void Cshift_comms(Lattice<vobj>& ret,const Lattice<vobj> &r
sshift[0] = rhs._grid->CheckerBoardShiftForCB(rhs.checkerboard,dimension,shift,Even);
sshift[1] = rhs._grid->CheckerBoardShiftForCB(rhs.checkerboard,dimension,shift,Odd);
// std::cout << "Cshift_comms dim "<<dimension<<"cb "<<rhs.checkerboard<<"shift "<<shift<<" sshift " << sshift[0]<<" "<<sshift[1]<<std::endl;
if ( sshift[0] == sshift[1] ) {
// std::cout << "Single pass Cshift_comms" <<std::endl;
Cshift_comms(ret,rhs,dimension,shift,0x3);
} else {
// std::cout << "Two pass Cshift_comms" <<std::endl;
Cshift_comms(ret,rhs,dimension,shift,0x1);// if checkerboard is unfavourable take two passes
Cshift_comms(ret,rhs,dimension,shift,0x2);// both with block stride loop iteration
}
@ -113,12 +120,16 @@ template<class vobj> void Cshift_comms(Lattice<vobj> &ret,const Lattice<vobj> &r
int xmit_to_rank;
grid->ShiftedRanks(dimension,comm_proc,xmit_to_rank,recv_from_rank);
grid->SendToRecvFrom((void *)&send_buf[0],
xmit_to_rank,
(void *)&recv_buf[0],
recv_from_rank,
bytes);
// for(int i=0;i<words;i++){
// std::cout << "SendRecv ["<<i<<"] snd "<<send_buf[i]<<" rcv " << recv_buf[i] << " 0x" << cbmask<<std::endl;
// }
Scatter_plane_simple (ret,recv_buf,dimension,x,cbmask);
}
}